SERIES FLST

DWYER SERIES FLST | AIRFLOW MEASUREMENT STATION | PRECISION DUECT FLOW SENSOR

The Dwyer Series FLST A high-accuracy airflow measurement station featuring multiple sensing ports and an isolated averaging chamber for stable HVAC monitoring.

PRODUCT APPLICATIONS:

  • Sensing fan, blower, and air handler output.
  • Determine duct flow rates in various zones in building.
  • Factory mounted and pre-piped in a flanged duct section (casing)
  • Standard construction includes galvanized casing and 6063-T5 anodized aluminum flow sensors

DWYER SERIES FLST | AIRFLOW MEASUREMENT STATION | PRECISION DUECT FLOW SENSOR

The Series FLST utilizes an advanced airflow averaging element within a head-type device that generates a differential pressure signal. It is constructed with strategically located sensing ports to sample total and static pressures across the duct. The upstream ports average total pressure in one isolated chamber, while static sensing ports average in a second chamber. This station is factory-mounted and pre-piped in a flanged duct casing for streamlined installation.

PRODUCT USES:

  • Building Air Management: Measuring air intake and exhaust flow rates.
  • HVAC Control: Determining duct flow rates in various building zones.
  • Equipment Monitoring: Sensing fan, blower, and air handler outputs.

Technical Sheets

Instruction Manual

Catalog Page

Specifications

DWYER SERIES FLST | AIRFLOW MEASUREMENT STATION | PRECISION DUECT FLOW SENSOR – KEY SPECIFICATIONS

  • Accuracy: Within ±2% of actual flow when installed per recommendations.
  • Velocity Range: 100 to 10,000 FPM (0.51 to 51 m/s).
  • K-Factor: 0.97.
  • Wetted Materials: 6063-T5 anodized aluminum elements and 3003 aluminum airflow straighteners.
  • Temperature Limits: Up to 350°F (177°C) continuous; up to 400°F (204°C) intermittent.
  • Humidity Limits: 0 to 100% non-condensing.
  • Process Connections: 1/4″ compression fittings.
  • Casing: 16-gauge G90 galvanized steel (8″ to 12″ length depending on size).

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